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authorhttps://me.yahoo.com/a/g3Ccalpj0NhN566pHbUl6i9QF0QEkrhlfPM-#b1c14 <diana@web>2015-02-16 20:08:03 +0100
committerGNU Hurd web pages engine <web-hurd@gnu.org>2015-02-16 20:08:03 +0100
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-[[!meta copyright="Copyright © 2012, 2013 Free Software Foundation, Inc."]]
-
-[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
-id="license" text="Permission is granted to copy, distribute and/or modify this
-document under the terms of the GNU Free Documentation License, Version 1.2 or
-any later version published by the Free Software Foundation; with no Invariant
-Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
-is included in the section entitled [[GNU Free Documentation
-License|/fdl]]."]]"""]]
-
-[[!meta title="GDB: attach"]]
-
-[[!tag open_issue_gdb]]
-
-
-# [[gdb_thread_ids]]
-
-
-# IRC, freenode, #hurd, 2012-06-30
-
- <braunr> hm, gdb isn't able to determine which thread is running when
- attaching to a process
-
-
-# IRC, freenode, #hurd, 2012-07-02
-
- <braunr> woah, now that's a weird message !
- <braunr> when using gdb on a hanged ext2fs :
- <braunr> Pid 938 has an additional task suspend count of 1; clear it? (y or
- n)
- <braunr> when hanged, gdb thinks the target task is already being debugged
- :/
- <braunr> no wonder why it's completely stuck
- <braunr> hm, the task_suspend might actually be the crash-dump-core server
- attempting to create the core :/
- <braunr> hm interesting, looks like a problem with the
- diskfs_catch_exception macro
- <pinotree> braunr: what's up with it?
- <braunr> pinotree: it uses setjmp
- <braunr> hm random corruptions :/
- <braunr> definitely looks like a concurrency problem
-
-
-# IRC, freenode, #hurd, 2012-05-23
-
- <pinotree>
- /build/buildd-gdb_7.4really-1-hurd-i386-UKStgK/gdb-7.4really/gdb/thread.c:72:
- internal-error: inferior_thread: Assertion `tp' failed.
- <pinotree> arg
- <tschwinge> pinotree: Been doing anything "special"? Is it reproducible?
- <pinotree> trying to debug something
- <tschwinge> Indeed. ;-)
- <pinotree> i'm not sure i'm doing anything special, just trying to attach a
- process
- <tschwinge> That is supposed to work.
- <tschwinge> If the permission match.
-
-
-# `gdb --pid [PID]`
-
-That is, not explicitly specifying an `executable-file`.
-
-
-## IRC, OFTC, debian-hurd, 2013-04-15
-
- <paravoid> I don't seem to be able to run gdb
- <paravoid> that happened on the buildd and happens on exodar too
- <paravoid> #0 0x010c07cc in ?? ()
- <paravoid> #1 0x010c1078 in ?? ()
- <paravoid> #2 0x0109eabf in ?? ()
- <paravoid> [...]
- <paravoid> Backtrace stopped: previous frame inner to this frame (corrupt
- stack?)
- <paravoid> that's pid 24235 on exodar
- <paravoid> I did gdb -p 24235 and then bt
- <paravoid> just the output above
- <youpi> I don't know about gdb -p
- <youpi> I usually run gdb
- /home/paravoid/gdnsd-1.8.1/plugins/meta/libgdmaps/t/.libs/lt-t17_extn_empty.bin
- 24235
- <paravoid> okay, that indeed works
- <youpi> I guess the support for finding out the binary automatically wasn't
- done yet on hurd